{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "The aim was to evaluate the effects of high frequency hippocampal stimulation on cortical epileptic activity in penicillin - induced epilepsy model ."}
{"Chemical": ["penicillin"], "Disease": ["epileptic", "epilepsy"]}